Template:Sequence of the Day for August 28

Intended for: August 28, 2011

Timetable

• First draft entered by Alonso del Arte on May 27, 2011 (as a verbatim copy of a write-up from December 28, 2010) ✓
• Draft reviewed by Alonso del Arte on August 26, 2011 ✓
• Draft approved by Daniel Forgues on August 28, 2012 ✓

Yesterday's SOTD * Tomorrow's SOTD

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A060295: Ramanujan’s constant

e  π   2√  163

.

262537412640768743
.999999999999250072597...

with simple continued fraction (A058292)

     

262537412640768743 +  1 1 +  1 1333462407511 +  1 1 +  1 8 +  1 1 +  1 1 +  1 5 +  1 ⋱

The neat thing about this constant is that it is almost the integer 262537412640768744; indeed if an ordinary calculator could show just a few more decimal places than that it would eventually give up and just show this integer (the Mac OS X Calculator, for example, gives the answer as 262537412640000000).